Bocchus ruvidus Olmi, Copeland & van Noort, 2019

Olmi, Massimo, Copeland, Robert S. & Noort, Simon Van, 2019, Dryinidae of the Afrotropical region (Hymenoptera, Chrysidoidea), Zootaxa 4630 (1), pp. 1-619 : 293-295

28. Bocchus ruvidus Olmi, Copeland & van Noort , sp. nov.

( Figs 114B , 116 , 117A )

Diagnosis. ♂ of Bocchus with mesoscutum reticulate rugose ( Fig. 117A ); notauli incomplete, reaching approxi- mately 0.5–0.8 × length of mesoscutum; propodeal declivity with median area at least partly shiny, unsculptured; apex of basivolsella with one subdistal inner pointed apophysis ( Fig. 114B ).

Description. ♂ ( Figs 116 , 117A ). Fully winged; body length 2.2–2.9 mm. Head black, except mandible testaceous; antenna ferruginous; mesosoma black; metasoma brown; legs brown, except procoxa and tarsi testaceous. Antenna filiform; antennomeres in following proportions: 11:6:7:7:7:7:7:6:6:8; antennomere 8 less than 3 × as long as broad (6:3). Head ( Fig. 116C ) convex, dull, covered with short setae, granulate and reticulate rugose; frontal line complete; occipital carina complete; POL = 6; OL = 3; OOL = 8; OPL = 6; TL = 3; greatest breadth of lateral ocelli longer than OL (4:3). Mesoscutum ( Fig. 116A ), mesoscutellum and metanotum dull, completely strongly reticulate rugose. Notauli incomplete, reaching approximately 0.5 × length of mesoscutum (in specimens from Madagascar, 12°13.97’ S 49°21.99’E, notauli reaching about 0.8 × length of mesoscutum). Mesopleuron dull, strongly reticulate rugose. Metapleuron dull, sculptured by numerous strong transverse keels. Metapectal-propodeal disc with strong transverse posterior keel, dull, reticulate rugose; propodeal declivity with two complete longitudinal keels, lateral areas completely reticulate rugose and median area partly shiny and unsculptured. In paratype from Madagascar, 22°54.22’S 43°28.53’E, median area of propodeal declivity almost completely reticulate rugose, with unsculptured central area very small. Forewing ( Fig. 116D ) hyaline, without dark transverse bands; 2r-rs&Rs vein with distinct separation between distal and proximal part; distal part of 2r-rs&Rs vein slightly shorter than proximal part (10:11). Apex of basivolsella with one subdistal inner pointed apophysis ( Fig. 114B ). Tibial spurs 1/1/2.

♀. Unknown.

Material examined. Types: ♂ holotype ( CASTYPE19452 ): MADAGASCAR: Toliara, Beza Mahafaly Re- serve, parcelle I near research station , 23°41.19’S 44°35.46’E, 165 m, 9–20.IX.2002, MT, dry deciduous forest, R. Harin’Hala leg., MA-02-14A-35 ( CAS). Paratypes: MADAGASCAR: Fianarantsoa, near Isalo National Park, in dry wash east of Interpretive Center , 22°37.60’S 45°21.49’E, 885 m, 9–17.XI.2001, MT, in open area, MA-02-11B- 02 , R. Harin’Hala leg. , 1♂ ( MOLC); Mahajanga, Besalampy District, Analangidro dry forest, 7 km NE Besalampy, 16°41.49’S 44°31.41’E, 200 ft., 9–16.X.2007, MT, dry forest on sand, M. Irwin & R. Harin’Hala leg. , MG-41-03, 2♂♂ ( CAS); same locality label, 24.IX–2.X.2007, MG-41-01 , 2♂♂ ( CAS); Mahajanga, Ambovomamy Belembo , 20 km NW Port Berger, 15°27.07’S 47°36.80’E, 33 m, 26.III–1.IV.2007, secondary growth on white sand, MT, R. Harin’Hala, M. Irwin, F. Parker leg. , MG-33-14, 2♂♂ ( CAS, MOLC); Mahajanga, Analamanitra Forest , 14 km NE Misinjo, 15°55’S 45°57’E, 65 ft., 11–18.XII.2007, MT, dense dry forest, M. Irwin, R. Harin’Hala leg. , MG- 38-11, 1♂ ( CAS); Toliara, Beza Mahafaly Reserve , parcelle I near research station, 23°41.19’S 44°35.46’E, 165 m, 9–20.IX.2002, MT, dry deciduous forest, R. Harin’Hala leg. , MA-02-14A-35, 1♂ ( CAS); same locality label, 29.III–10.IV.2002, MA-02-14A-22 , 1♂ ( MOLC); Toliara, Mikea Forest , NW of Manombo, 22°54.22’S 43°28.53’E, 30 m, 11–24.II.2003, MT, deciduous dry forest, R. Harin’Hala leg. , MA-02-18A-46, 1♂ ( CAS); same locality label, 27.VII–3.VIII.2003, MA-02-18A-63 , 1♂ ( CAS); same locality label, 6–16.I.2002, MA-02-18A-09 , 2♂♂ ( CAS). Other material: MADAGASCAR: Antsiranana, Diana Region, Orangea dry forest, Ramena , Baie de dune, 900m E of Camp Minier, 23.II–2.III.2011, 12°13.97’ S 49°21.99’E, M. Irwin, R.Harin’Hala leg. , MT, dry forest, elev. 152 m, MG-62-11, 3♂♂ ( MOLC); same locality label, 15–22.VI.2011, MG-62-27 , 1♂ ( MOLC); same locality label, 18–26.V.2011, MG-62-23 , 5♂♂ (3 in CAS, 2 in MOLC); same locality label, 12–19.I.2011, MG-62-05 , 1♂ ( CAS); Mahajanga, Namoroka National Park , 16.40494S 45.31294E, 21–31.X.2016, MT, C. Villemant leg. , 1♂ ( MNHN); Mahajanga, Namoroka National Park , 16.40682S 45.31377E, 21–31.X.2016, MT, C. Villemant leg. , 2♂♂ ( MNHN) .

Hosts. Unknown.

Distribution. Madagascar.

Etymology. The Latin adjective ruvidus (= rugose) refers to the rugose sculpture of head, mesoscutum, mesoscutellum and metanotum.

Remarks. In the paratype from Madagascar, 22°54.22’S 43°28.53’E, the median area of the propodeal declivity is almost completely reticulate rugose, with a very small unsculptured central area, with the result that it may be confused with Bocchus johanssoni Olmi, Copeland & Guglielmino , that has the median area completely reticulate rugose. However, in B. johanssoni the antenna is more slender than in B. ruvidus (antennomere 8 much more than twice as long as broad (8:3) in B. johanssoni ; about twice as long as broad (6:3) in B. ruvidus ).

Figures

FIGURE 114. ♂ genitalia of Bocchus species.A: B. parkeri Olmi, Copeland & van Noort sp. nov., holotype. B: B. ruvidus Olmi, Copeland & van Noort sp. nov., holotype. C: B. seyrigi (Benoit), ♂ from Madagascar, 16°28.00’S 45°21.00’E. D: B. turneri Olmi, holotype. E: B. watshami Olmi, ♂ from Botswana, Famer’s Brigade. F: B. whiteleyi Olmi, holotype. Scale bar: A, B: 0.15 mm; C: 0.10 mm; D: 0.14 mm; E: 0.07 mm; F: 0.12 mm.

FIGURE 116. Bocchus ruvidus Olmi, Copeland & van Noort sp. nov., ♂ holotype: habitus in dorsal (A) and lateral (B) view; head in frontal view (C); forewing (D).

FIGURE 117. A: Bocchus ruvidus Olmi, Copeland & van Noort sp. nov., ♂ holotype in dorsal view; head vertex and mesoscu- tum sculpture. B–D: habitus of Dryinus species. B–C: ♀ in dorsal (B) and lateral (C) view; D: ♂ in dorsal view. Scale bar: A: 1.86 mm; B: 3.63 mm; C: 2.82 mm; D: 2.67 mm.